Intellectual development of patients with biliary atresia who underwent living donor liver transplantation in infancy

Seiichi Kawabata1, Rieko Sakamoto2, Keiichi Uto1

  • 1Department of Pediatric Surgery and Transplantation, Graduate School of Medical Sciences, Kumamoto University, 1-1-1, Honjo, Chuo-ku, Kumamoto, 860-8556, Japan.

Insights

Pediatric liver transplant recipients for biliary atresia show lower intellectual functioning. This study found significantly lower mean full scale intelligence quotient scores in school-aged children post-transplant compared to the general population.

Area of Science:

  • Pediatric Gastroenterology and Hepatology
  • Neurodevelopmental Pediatrics
  • Transplantation Medicine

Background:

  • The long-term impact of pediatric liver transplantation on cognitive development remains under-researched.
  • Biliary atresia is a leading indication for liver transplantation in infants.
  • Understanding intellectual outcomes is crucial for comprehensive patient care.

Purpose of the Study:

  • To evaluate the intellectual development of school-aged children following living donor liver transplantation for biliary atresia.
  • To identify potential predictors of intellectual performance in this patient cohort.

Main Methods:

  • Administered the Wechsler Intelligence Scale for Children-fourth edition to 20 pediatric liver transplant survivors (≥5 years post-transplant).
  • Defined borderline full scale intelligence quotient as ≤85.
  • Compared pre-, peri-, and postoperative data between patients with normal vs. borderline intellectual functioning.

Main Results:

  • Mean full scale intelligence quotient was significantly lower (91.8) than the general population (100.0, p=0.026).
  • 35% (7 of 20) of patients exhibited borderline intellectual functioning (≤85).
  • No specific pre-, peri-, or postoperative factors predicted borderline intellectual performance.

Conclusions:

  • This study provides the first evidence of reduced mean intellectual quotient in school-aged children after living donor liver transplantation for biliary atresia.
  • The findings highlight the need for neurodevelopmental monitoring in pediatric liver transplant recipients.
  • Further research is warranted to explore the underlying causes and potential interventions for cognitive deficits.
Abstract